Engine : Electricity - 198/1386
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| What is the maximum allowable primary current of a 2 kVA step-down transformer with a four to one turns ratio if the primary is connected across a 440 volt line? |
| A) 4.5 amps |
| B) 1.1 amps |
| C) 18.1 amps |
| D) 27.7 amps |
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